Ajax Toolkit ValidatorCalloutExtender Control in ASP.Net

Ajax Toolkit ValidatorCalloutExtender Control in ASP.Net

ValidatorCallout is an ASP.NET AJAX extender that enhances the functionality of existing ASP.NET validators. To use this control, add an input field and a validator control as you normally would. Then add the ValidatorCallout and set its TargetControlID property to reference the validator control.

ValidatorCallout Properties:

· TargetControlID - The ID of the Validator to extend

·Width - The width of the callout

· WarningIconImageUrl - The path to a custom warning icon image

· CloseImageUrl - The path to a custom close image

Code:

<%-- ScriptManager control manages client script for AJAX enabled ASP.NET pages.This enables partial-page rendering and Web-service calls.You have to used this if you want to use ajax control--%>